Home / 497,856.98-687,036.33-282,983.02

Finding the Fourth Proportional to 497,856.98, 687,036.33 and 282,983.02

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Solution

The fourth proportional to 497,856.98, 687,036.33 and 282,983.02 is: 390,512.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,856.98 : 687,036.33 = 282,983.02 : x
  2. Step 2: Convert to fraction form
    497,856.98/687,036.33 = 282,983.02/x
  3. Step 3: Cross multiply
    497,856.98x = 687,036.33 × 282,983.02
  4. Step 4: Simplify right side
    497,856.98x = 194,419,613,795.53
  5. Step 5: Solve for x
    x = 194,419,613,795.53/497,856.98
  6. Step 6: Final answer
    x = 390,512.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.